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Manufacturer for Fabric Treatment Hydrogen-Containing Silicone Oil - Hydroxyethylidene diphosphonic acid HEDP – SUNXI

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Manufacturer for Fabric Treatment Hydrogen-Containing Silicone Oil - Hydroxyethylidene diphosphonic acid HEDP – SUNXI Detail:

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HEDP is an organic phosphonic acid scale and corrosion inhibitor. It can form stable complexes with iron, copper, zinc and other metal ions, and can dissolve oxides on metal surfaces.

Technical indicators

Project

 

index

50%liquid

60%liquid

solid

 

GB/T 26324-2010

 –

HG/T 3537-2010

Appearance

Colorless or light yellow transparent liquid

Colorless or light yellow transparent liquid

White crystalline particles

Active component (calculated as HEDP)/%

≥50.0

≥60.0

Phosphorous acid (calculated as PO33-)/%

≤2.0

≤2.0

≤0.8

Phosphoric acid (as PO43-)/%

≤0.8

 ≤0.8

≤0.5

Chloride (calculated as Cl-)/%

≤0.02

≤0.02

≤0.01

pH value (1% aqueous solution)

1.5-2.0

1.5-2.0

1.5-2.0

Density(20℃)/g·cm-3

≥1.36

≥1.40

Calcium chelation value/mg·g-1

≥450

≥500

Iron (as Fe2+) content/mg·L-1

≤20.0

≤20.0

≤10

Active component (calculated as HEDP·H2O)/%

≥97.0

use

HEDP solid is a high-purity product, suitable for winter in severe cold areas; especially suitable for cleaning agents and daily chemical additives in the electronics industry.

HEDP is widely used in power, chemical, metallurgy, fertilizer and other industrial circulating cooling water systems and medium and low pressure boilers, oil field water injection and oil pipelines for scale and corrosion inhibition; in the textile industry, it can be used as a cleaning agent for metals and non-metals. Peroxide stabilizer and fixing agent in bleaching and dyeing industry, complexing agent in non-cyanide electroplating industry, and carrier of radioactive elements in pharmaceutical industry.

Four, use method

HEDP is generally used as a scale inhibitor at a concentration of 1-10mg/L, as a corrosion inhibitor, generally used at a concentration of 10-50mg/L; as a cleaning agent, generally used at a concentration of 1000-2000mg/L; usually combined with polycarboxylic acid type scale inhibitor and dispersant use. When used in other industries, the dosage should be determined based on experiments.

packaging and storage

HEDP liquid is packed in plastic drums, 30Kg or 250Kg per drum; HEDP solids are packed in plastic woven bags lined with polyethylene bags, each with a net weight of 25kg, which can also be determined according to user needs. Store in a cool and ventilated place indoors, moisture-proof, storage period is 12 months.


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This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
5 Stars By Lillian from UK - 2018.06.19 10:42
This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
5 Stars By Bess from United Arab emirates - 2018.11.02 11:11
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